Experimental apparatus for high-temperature high-pressure loop spray corrosion simulation and electrochemical testing

Abstract

The invention discloses an experimental apparatus for high-temperature high-pressure loop spray corrosion simulation and electrochemical testing, belongs to the electrochemical field, and is particularly suitable for simulation experiment of erosion corrosion caused by simulating the complex components such as elbow, tee and the like in petroleum and gas collection pipes, petroleum and gas conveying pipes and the like so as to convey the high-temperature high-pressure multi-phase fluid pipe components and in-situ electrochemical signal testing of the erosion corrosion of high-temperature high-pressure fluid under erosion conditions. The apparatus comprises a high pressure kettle, a circulating loop, a high-temperature high-pressure flow gauge, a vortex pump, a control box, a circulating condensation system, a three-electrode system, a signal conduction path, an external electrochemical work station and a high pressure gas bottle. The apparatus has the advantages of simulating the erosion corrosion condition of the fluid medium in the oil and gas pipeline well, testing the electrochemical signal of the working electrode under high-speed spray condition such as polar curve, AC impedance and the like and having important significance to the research of the erosion corrosion action, rule and mechanism of the high-temperature high-pressure fluid.

Description

technical field [0001] The invention belongs to the field of electrochemistry, and relates to an experimental device for studying the erosion and corrosion behavior, law and mechanism of metal materials under high-temperature and high-pressure corrosion medium under the condition of high-speed spraying. It is suitable for the research on the erosion and corrosion behavior of complex components such as pipeline elbows and tees in high-temperature and high-pressure fluid media, especially for simulating the erosion and corrosion of complex components such as elbows and tees in oil and gas collection and transportation pipelines , to carry out the simulation experiment of erosion corrosion of pipeline components conveying high temperature and high pressure multiphase fluid, and to conduct the in situ electrochemical signal test of the erosion corrosion of high temperature and high pressure fluid under the condition of erosion. Background technique [0002] High-temperature and ...

AI Technical Summary

Problems solved by technology

Therefore, when studying the erosion corrosion mechanism under dynamic conditions, the in-depth research on the high temperature and high pressure erosion corrosion behavior, law and mechanism is affected due to the lack of high temperature and high pressure erosion corrosion experimental devices and devices for measuring high temperature and high pressure electrochemical signals.

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